Re: Streams, directives, and explicit document end markers

Not so. YAML 1.2 allows for the example you gave. See
http://yaml.org/ypaste/587/index.html

Have fun,

    Oren Ben-Kiki


On Wed, 2009-12-23 at 14:16 -0800, William Spitzak wrote:
> The new 1.2 documentation says that appending YAML streams with a "..." 
> line inserted between them should always work to append them.
> 
> Unfortunately this is not true if the second document is an implicit one 
> (ie it has no "---" line). It appears this is literally what the 
> specification says, and also libyaml does complain about the following 
> text where two trivial implicit documents are appended with a "...":
> 
>    doc1
>    ...
>    doc2
> 
> The following patch (against libyaml-stable branch) fixes it but also 
> makes it not require a "---" after a % directive, this may also be a 
> desirable fix:
> 
> Index: src/parser.c
> ===================================================================
> --- src/parser.c        (revision 369)
> +++ src/parser.c        (working copy)
> @@ -392,18 +392,17 @@
>           token = PEEK_TOKEN(parser);
>           if (!token) goto error;
>           if (token->type != YAML_DOCUMENT_START_TOKEN) {
> -            yaml_parser_set_parser_error(parser,
> -                    "did not find expected <document start>", 
> token->start_mark);
> -            goto error;
> +            end_mark = start_mark;
> +        } else {
> +            end_mark = token->end_mark;
> +            SKIP_TOKEN(parser);
>           }
>           if (!PUSH(parser, parser->states, YAML_PARSE_DOCUMENT_END_STATE))
>               goto error;
>           parser->state = YAML_PARSE_DOCUMENT_CONTENT_STATE;
> -        end_mark = token->end_mark;
>           DOCUMENT_START_EVENT_INIT(*event, version_directive,
>                   tag_directives.start, tag_directives.end, 0,
>                   start_mark, end_mark);
> -        SKIP_TOKEN(parser);
>           version_directive = NULL;
>           tag_directives.start = tag_directives.end = NULL;
>           return 1;
> 



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